2020 KIA OPTIMA battery

H34
Regeneration
Hybrid battery is being charged by
regenerative braking.
(Wheel \bBattery)
Engine Brake
The vehicle is slowed down by
engine compression.
(Wheel \bEngine)
Power Reserve
Engine is both driving the vehicle
and charging the hybrid battery.
(Engine \b Wheel & Battery)
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ENERGY FLOW HYBRID/PLUG-IN HYBRID VEHICLE (CONT.)

H35
Engine Generation/Motor Drive
The vehicle is being slowed by engine
compression and regenerative brak-
ing. The hybrid battery is being
charged by regenerative braking.
(Engine \bBattery \bWheel)
Engine Generation/Regeneration
The engine and regenerative brake
system charge up the high-voltage
battery.
(Engine & Wheel \b Battery)
Engine Brake/Regeneration
The engine compression can be
used to slow down the vehicle. The
regenerative braking system can be
used to charge the hybrid system.
(Wheel \bEngine & Battery)
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H36
AUX. BATTERY SAVER+ (For
Plug-in Hybrid, if equipped)
The Aux. Battery Saver+ is a function
that monitors the charging status of
the 12V auxiliary battery.
If the auxiliary battery level is low, the
main high voltage battery charges
the auxiliary battery.
✽ ✽NOTICE
The Aux. Battery Saver+ function will
be ON when the vehicle is delivered. If
the function is not needed, you may
turn it off in the Users Settings mode
on the LCD display. For more infor-
mation, refer to the "System setting"
on the following page.
Mode

When the vehicle is OFF with all
doors, hood and liftgate closed, the
Aux. Battery Saver+ periodically acti-
vates according to the auxiliary bat-
tery status.

When the engine start/stop button is
in the ON position with the charging
connector plugged in, this function
activates according to the auxiliary
battery status to prevent over-dis-
charge of the auxiliary battery.
✽ ✽NOTICE
The Aux. Battery Saver+ activates
for a maximum of 20 minutes. If the
Aux. Battery Saver+ function acti-
vates more than 10 times consecu-
tively, in the Automatic Mode, this
function will stop activating, judg-
ing that there is a problem with the
auxiliary battery. In this case, drive
the vehicle for some period of time.
The function will start activating if
the auxiliary battery returns to nor-
mal.
✽ ✽NOTICE
If the Aux. Battery Saver+ function
was activated, a message will be dis-
played on the instrument cluster
and the high voltage battery level
may have decreased.
ENERGY FLOW HYBRID/PLUG-IN HYBRID VEHICLE (CONT.)
CAUTION
The Aux. Battery Saver+ func-
tion cannot prevent battery dis-charge if the auxiliary battery isdamaged, worn out, used as apower supply or unauthorizedelectronic devices are used.

H37
System setting
The driver can activate the Aux.
Battery Saver+ function by placing
the engine start/stop button to the
ON position and by selecting:
"User Settings \bOther \b Aux.
Battery Saver+"
LCD message
This message is displayed when the
Aux. Battery Saver+ function has
been completed when the vehicle is
turned ON.
However, if the LCD message pops
up frequently, have your vehicle`s
auxiliary battery or electric/electronic
components serviced by an author-
ized Kia dealer.
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WARNING
The Aux. Battery Saver+ relies
on the high voltage battery to
charge the 12V battery. The
charging indicator lamp will blink
rapidly when this is occurring.
To reduce the risk of electrical
shock, do not touch any high
voltage components (orange) or
other electrical devices while
charging is occurring.
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H39
ECONOMICAL and SAFE
OPERATION of Hybrid system
Drive smoothly. Accelerate at amoderate rate and maintain a
steady cruising speed. Don't make
“jack-rabbit” starts. Don't race
between stoplights.
Avoid heavy traffic whenever pos-
sible. Always maintain a safe dis-
tance from other vehicles so you
can avoid unnecessary braking.
This also reduces brake wear.
The regenerative brake generates energy when the vehicle deceler-
ates.
When the hybrid battery power is low, the hybrid system automatical-
ly recharges the hybrid battery.
When the engine runs in “N” posi- tion, the hybrid system cannot gen-
erate electricity. The hybrid battery
cannot recharge in “N” position.
Please refer to chapter 5.
✽ ✽ NOTICE
When the hybrid system is in
READY mode, the engine will auto-
matically start and stop as needed.
The “ ” symbol will illuminate in
the cluster when the system is oper-
ational.
CAUTION- Extended
cranking
Do not crank the engine for aprolonged period of time with-out the engine starting. Thiscould result in damage to theHEV battery and become totallydischarged.

H40
COMPONENTS OF THE HYBRID/PLUG-IN HYBRID VEHICLE
1. Engine : 2.0L
2. Motor : 38kW (Hybrid) / 50kW (Plug-in hybrid)
3. Transmission : 6AT
4. Hybrid starter generator (HSG)5. HPCU (Hybrid Power Control Unit)
6. High voltage battery system
7. Regenerative brake system
8. Virtual Engine Sound System (VESS)
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The actual shape may differ from the illustration.
- PHEV - HEV

H41
The Hybrid battery uses high-voltage
to operate the electric motor and
other components. High voltage is
dangerous if touched.
Your vehicle is equipped with orange
colored insulation which covers over
the high voltage components to pro-
tect people from electric shock.
High voltage warning labels are
attached to some system compo-
nents as additional warnings. Your
vehicle is recommended to be serv-
iced by an authorized Kia dealer.
WARNING - High voltage
components
Never touch orange or high-volt-
age labeled components includ-
ing wires, cables, and connec-
tors. If the insulators or covers
are damaged or removed, severe
injury or death from electrocu-
tion may occur.
WARNING- Touching HPCU
When replacing the fuses in the
engine compartment, never
touch the HPCU. The HPCU car-
ries high voltage. Touching the
HPCU could result in electrocu-
tion, serious injury, or death.
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HPCU
HEV Battery
PHEV Battery

H42
✽ ✽NOTICE - Prolonged parking
Prolonged parking might cause bat-
tery discharge and operation failure
due to natural discharge. Driving
the vehicle approximately once
every 2 months, more than 15 km (9
mile) is recommended. The battery
will be charged automatically when
driving the vehicle.
CAUTION- High Voltage
Battery Damage
When loading your vehicle, be careful transporting items in amanner that could damage thehigh voltage battery. Do notstore items on top of the highvoltage battery or overload thetrunk area. Such actions mayultimately damage the high volt-age battery unit.
CAUTION- Carrying
Liquids in Trunk
Do not load large amounts of liq- uid in open containers in the vehi-cle. If spilled onto the HEV bat-tery, the liquid may cause a shortor further damage to the battery.
COMPONENTS OF THE HYBRID/PLUG-IN HYBRID VEHICLE (CONT.)
WARNING- Battery
Electrolyte
As with all batteries, avoid fluid
contact with the Hybrid battery.
If the battery is damaged and if
electrolyte comes in contact
with your body, clothes or eyes,
immediately flush with a large
quantity of fresh water. Have
your eyes examined by a doctor
as soon as possible.
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Motor
WARNING- After-market
Battery Charger
Do not use an after-market bat-
tery charger to charge the
Hybrid battery. Doing so may
result in death or serious injury.